A Further, Very Delicate Test for Astigmatic Axis, Using the Cross Cylinder by an Astigmatic Dial and without use of Letter Charts*

✍ Scribed by Crisp, William H.; Stine, George H.

• Book ID: 127299016
• Publisher: Elsevier Science
• Year: 1949
• Tongue: English
• Weight: 975 KB
• Volume: 32
• Category: Article
• ISSN: 0002-9394
• DOI: 10.1016/0002-9394(49)90648-0